A damaged or corrupted Outlook user profile is a common reason for “Outlook won’t open” errors. Creating a fresh profile can provide a clean slate for Outlook to start. Outlook stores all your email messages, meetings and events, contacts, and tasks in data files. You can run the Inbox Repair Tool (scanpst.exe) to scan your Outlook data files and repair errors. Are you having trouble starting Outlook or receiving Troubleshoot Outlook Errors “Cannot start Microsoft Outlook. Cannot open the Outlook window” error messages?

If you can’t choose any of the menu options, type inside an email message, calendar event, or contact, Outlook may have frozen. There are three steps you can take to try to get Outlook working again. If you are having problems with Outlook, there are a few things we can help with to get you back to sending and receiving your email. A vast community of Microsoft Office365 users that are working together to support the product and others. If you are having issues sending email, this might be due to validation issues with your Microsoft Account. Some customers may not be able to see their Profile, Account or Sign Out options when selecting their picture on the top toolbar.

Installing any important, recommended, and optional updates can often correct problems by replacing out-of-date files and fixing vulnerabilities. To install the latest Windows and Office updates, click the link below. I’m having an issue with one Outlook 365, the program open and get stuck at loading the Troubleshoot Outlook Errors user profile, any profiles. If you typically use an Outlook.com account for email, this issue can occur if there are multiple aliases on the account and the 3rd party email address is the primary alias. We have recently received some reports of users who are experiencing issues with subscribing to .ics/ical calendars.

These troubleshooting techniques apply to Outlook 2016 and 2011 for Mac. Try these troubleshooting steps in the order presented here, from simple Troubleshoot Outlook Errors to more complicated. If you’re trying to open Microsoft Outlook from your Start menu or a shortcut icon but it just won’t launch, don’t worry, there are a few things you can try to get it up and running again. Here are some common fixes that should work when Outlook doesn’t open, whether you’re using Windows or a Mac. With the help of these tips, you can fix the Outlook is Running Slow problem.

Ending these processes forces Outlook to start cleanly. To keep up with new viruses as they’re created, antivirus software vendors periodically provide updates that you can download from the Internet. Download the latest updates by visiting your antivirus software vendor’s website. If repairing your Troubleshoot Outlook Errors Microsoft 365 programs didn’t resolve your issue, move on to the next step. If installing the latest updates didn’t resolve your issue, move on to the next step.

To manage your mailbox by using the AutoArchive feature, see AutoArchive settings explained. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. It’s also crucial to ensure that the version of Outlook you’re using is compatible with your Windows operating system version. Follow this procedure to use the process of elimination to identify the problem in Windows 10, Windows 8, Windows 7, or Windows Vista. We recommend that you move several items in your larger folders to separate folders, or that you archive those items by using the AutoArchive feature. If Outlook is in use by another process, this information is displayed in the status bar at the bottom of the screen.

If the problem doesn’t occur after you restart Outlook, one of the add-ins is likely the cause of the problem. Restore the add-ins one at a time until the problem does occur to determine which add-in is causing the problem. Make sure that the latest updates for Outlook are installed. For more information, see How to install the latest applicable updates Troubleshoot Outlook Errors for Microsoft Outlook (US English only). Many of these items can be automatically checked by the Classic Outlook Advanced Diagnostics troubleshooter.

The person who sent you the invitation will need to remove your permissions and then send a new invitation. To edit a shared calendar, go online to your own Outlook.com calendar, open Calendar for Windows 10, or use a mobile device. Read how to Add your Outlook.com account to another mail app. Outlook supports sending from a secondary connected account for Microsoft owned domains such as @outlook.com, @live.com, @hotmail.com but has not implemented this functionality for third-party domains. If you manually type in the secondary connected account email address in the “From” field, the email is sent as “On behalf of” your primary Outlook.com account. If you typically use an Outlook.com account for email, this issue can occur if there are multiple aliases on the account and the 3rd party email address Troubleshoot Outlook Errors is the primary alias.

For more information, see Outlook performance issues when there are too many items or folders in a cached mode .ost or .pst file. When you install Office, an Inbox Repair Tool (SCANSPST.EXE) is also installed on your PC. The Inbox Repair Tool can resolve issues by scanning your Outlook data files and repairing errors. Resolving Outlook’s “Loading Profile” hang involves a mix of system checks, process management, and profile or data file repair. Applying these targeted steps gets Outlook running smoothly and restores access to your mailbox.